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经营范围
发明名称
Perfectionnements aux caisses de machines à écrire
摘要
申请公布号
FR739174(A)
申请公布日期
1933.01.06
申请号
FRD739174
申请日期
1932.06.27
申请人
ROYAL TYPEWRITER COMPANY INC.
发明人
分类号
B41J29/13
主分类号
B41J29/13
代理机构
代理人
主权项
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